5.4-stable review patch. If anyone has any objections, please let me know.
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From: Jani Nikula jani.nikula@intel.com
[ Upstream commit c2da9ada64962fcd2e6395ed9987b9874ea032d3 ]
The .get_modes() hooks aren't supposed to return negative error codes. Return 0 for no modes, whatever the reason.
Cc: Philipp Zabel p.zabel@pengutronix.de Cc: stable@vger.kernel.org Acked-by: Philipp Zabel p.zabel@pengutronix.de Acked-by: Thomas Zimmermann tzimmermann@suse.de Link: https://patchwork.freedesktop.org/patch/msgid/311f6eec96d47949b16a670529f4d8... Signed-off-by: Jani Nikula jani.nikula@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/imx/parallel-display.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index e24272428744c..2165ad545a382 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -63,14 +63,14 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) int ret;
if (!mode) - return -EINVAL; + return 0;
ret = of_get_drm_display_mode(np, &imxpd->mode, &imxpd->bus_flags, OF_USE_NATIVE_MODE); if (ret) { drm_mode_destroy(connector->dev, mode); - return ret; + return 0; }
drm_mode_copy(mode, &imxpd->mode);